In my experience, large PGN files like this tend to load slowly or not at all, depending on what program you use. I've converted this database to SCID vs PC format for anyone interested. Loading time is much faster and the size of the DB is only a fraction of the PGN size. You can download it here ---->> https://1drv.ms/u/s!AgVhuW8u-GbEhSg-tlOJBgrFR-MT